//
// Created by shuhongfan on 2021/6/18.
//

#include <stdio.h>

int main(){
    int a,b,c,max;
    scanf("%d%d%d",&a,&b,&c);
    max=a;
    if(b>max) max=b;
    if(c>max) max=c;
    printf("%d",max);
}